\begin{tabular}{cccc} \hline \multicolumn{2}{c}{ Younger dogs } & \multicolumn{2}{c}{Older dogs) W \cline { 1 - 2 } \cline { 4 - 5 } Class limits & Frequency & Class limits & Frequency Icline { 1 2} \cline {4} $2.3-2.9$ & 4 & $3.3- 3.9$ & 6 $3.0-3.6$ & 2 & $4.0-4.6$ & 10 $3.7-4.3$ & 10 & $4.7-5.3$ & 2 $4.4-5.0$ & 12 & $5.4-6.0$ & 4 W $5.1-5.7$ & 8 & $6.1-6.7$ & 8 $5.8-6.4$ & 6 & $6.8-7.4$ & 2 W \hline for younger dogs. Round the mean to one decimal place as needed. & W \hline \end{tabular) Part 1 Find the mean for younger dogs. Round the mean to one decimal place as needed. Mean for Part 2 Find the modal class for younger dogs. Modal class for younger dogs is Correct answer: Part 3 out of 5 Find the mean for older dogs. Round the mean to one decimal place as needed. Mean for older dogs, $\mathrm{F}$ is S.P.PB. 241